With winter setting in around much of the country, many people are also gearing up for cough and cold season. But the Food and Drug Administration now says that phenylephrine, a long-used ingredient in many over-the-counter medicines, is ineffective and should be removed. Stephanie Sy speaks with Randy Hatton, a professor at the University of Florida College of Pharmacy, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders